Animus in consulendo liber (Latin: "A mind unfettered in deliberation") is the official motto of the North Atlantic Treaty Organization (NATO), originating from The Conspiracy of Catiline (52, 21) by Roman historian Sallust where it was translated by Charles Anthon as "a mind unfettered in deliberation". The motto was chosen by the Dean of the NATO Council André de Staercke to reflect the spirit of consultation envisioned by the then-Secretary General of NATO Paul-Henri Spaak. De Staercke borrowed the quote when he recalled his visit to the Palace of the Chief Magistrate in San Gimignano, where "animus in consulendo liber" was engraved on the Magistrate's seat. The motto is displayed on the wall of the main Council Room at NATO headquarters in Brussels, behind the chairman's seat (with the